public class Example29 {
    public static void main(String[] args) {
        int[] arr = {9,8,3,5,2};
        System.out.println("冒泡排序前：");
        printArray(arr);
        bubbleSort(arr);
        System.out.println("冒泡排序后");
        printArray(arr);
   }
    public static void printArray (int[] arr) {
        for (int i = 0; i < arr.length; i++) {
            System.out.println("arr[i] + ");
        }
        System.out.print("\n");
    }
    public static void bubbleSort(int[] arr) {
        for (int i = 0; i < arr.length -1; i++) {
            for (int j = 0; j < arr.length-i-1; j++) {
                if (arr[j]>arr[j+1]){
                    int temp=arr[j];
                    arr[j]=arr[j+1];
                    arr[j+1]=temp;
                }
            }
            System.out.println("第"+(i+1)+"轮排序后");
            printArray(arr);
        }
    }
}
